Did you notice Facebook went down? Hacking group claim responsibility

Social media sites Facebook and Instagram appear to available for UK users again after being down briefly.

The sites both appeared with error messages and users had been complaining on Twitter, while 40-minute outages were also reported in the US and Asia.

A hacking group appeared to claim responsibility for taking down the two services.

Facebook had 1.25 billion monthly active users at the end of September last year, while its photo-sharing service Instagram has 300 million active monthly users uploading around 70 million photos per day.